The
mean absolute deviation will show us on average how far each of all
the data points from the graph that Makayla collected are from the
mean. To calculate it you simply have to use the formula shown in the
attachment. It is very easy but will take you like 5 minutes to
solve. Use it for each data set.
Data
Set’s
Resting
Heart Rate
Heart
Rate After Walking One Mile
<span>I
hope this helps, Regards.</span>
Answer:
2,436 students
Step-by-step explanation:
At a 90% confidence level, the z-score is 1.645 and the confidence interval is given by:

Where s is the standard deviation, and n is the sample size.
If they want the length of their confidence interval to be no greater than 0.2, it must be no further than 0.1 from the mean 'X':

Rounding up to the next whole number, the sample size should be 2,436 students.
Answer:
112 degrees
Step-by-step explanation:
x = to the 112 degree angle
Hope that helps!
D. 15+18
Hope that helps!